import java.util.Scanner;

public class HelloNext {
    public static void main(String[] args) {
        Scanner stdIn=new Scanner(System.in);
        System.out.print("你的姓名是：");
        String s=stdIn.nextLine();//字符串的读入,注意这里要用nextLine
        System.out.println("你好："+s+"先生");
    }
}
